Package 'ajv'

Title: Another JSON Schema Validator
Description: A thin wrapper around the 'ajv' JSON validation package for JavaScript. See <http://epoberezkin.github.io/ajv/> for details.
Authors: Jason Thorpe [aut, cre]
Maintainer: Jason Thorpe <[email protected]>
License: GPL-2
Version: 1.0.0
Built: 2026-05-20 06:04:47 UTC
Source: https://github.com/jdthorpe/ajvr

Help Index

Create an Ajv instnace.

Description

Create an Ajv instnace (the equivalent of calling new Ajv() in javascript)

Usage

Ajv(options = NULL)

Arguments

options

Optional; see the ajv github page for details

A wrapper for the Ajv.addFormat method

Description

Add a string format to an Ajv instance.

Usage

ajv.addFormat(this, key, format)

Arguments

this

An AJV instance, provided implicitly when called via my_instance$addFormat(...)
key

String; the name with format to add.
format

the format to be added. Note that JavaScript object literals should be enclosed in a call to JS. (i.e. ajv$addFormat("numbers",JS("/^\\d+$/")))

Value

invisible(NULL)

See Also

Other AJV.Instance.Methods: ajv.addKeyword, ajv.addSchema, ajv.errorsText, ajv.keyword, ajv.removeSchema, ajv.validateSchema, ajv.validate

Examples

## Not run: 
my_ajv_instance = Ajv()
my_ajv_instance$keyword(key,object)

## End(Not run)

A wrapper for the Ajv.addKeyword method

Description

The add a schema to an Ajv instance

Usage

ajv.addKeyword(this, name, definition)

Arguments

this

An AJV instance, provided implicitly when called via my_instance$addSchema(...)
name

The name of the keyword to be added.
definition

A string encoding of a javascript object to be used as to define the keyword.

Value

invisible(NULL)

See Also

Other AJV.Instance.Methods: ajv.addFormat, ajv.addSchema, ajv.errorsText, ajv.keyword, ajv.removeSchema, ajv.validateSchema, ajv.validate

Examples

## Not run: 
my_ajv_instance = Ajv()
my_ajv_instance$addSchema

## End(Not run)

A wrapper for the Ajv.addSchema method

Description

The add a schema to an Ajv instance

Usage

ajv.addSchema(this, schema, key)

Arguments

this

An AJV instance, provided implicitly when called via my_instance$addSchema(...)
schema

The schema to be added. schema may be a valid JSON string, an R object (i.e. 'list(...)'), a connection to a JSON file, or the name of a JSON or YAML file. YAML files are parsed via [js-yaml](https://www.npmjs.com/package/js-yaml)'s 'safeLoad()' method.
key

String; the name with which to store the schema

Value

invisible(NULL)

See Also

Other AJV.Instance.Methods: ajv.addFormat, ajv.addKeyword, ajv.errorsText, ajv.keyword, ajv.removeSchema, ajv.validateSchema, ajv.validate

Examples

## Not run: 
my_ajv_instance = Ajv()
my_ajv_instance$addSchema

## End(Not run)

The Ajv.compile method

Description

Create an Ajv validator function from a schema

Usage

ajv.compile(this, schema)

Arguments

this

An AJV instance, provided implicitly when called via my_instance$compile(...)
schema

The Schema with which to validate the data. schema may be a valid JSON string, an R object (i.e. 'list(...)'), a connection to a JSON file, or the name of a JSON or YAML file. YAML files are parsed via [js-yaml](https://www.npmjs.com/package/js-yaml)'s 'safeLoad()' method.

Value

an AJV validation function

A wrapper for the Ajv.errorsText method

Description

Extracts the errors object from

Usage

ajv.errorsText(this)

Arguments

this

An AJV instance, provided implicitly when called via my_instance$errorsText(...)

Value

JSON encoded object containing the error message (if any), with class "AJV-errorsText" for pretty printing via print.errorsText

See Also

Other AJV.Instance.Methods: ajv.addFormat, ajv.addKeyword, ajv.addSchema, ajv.keyword, ajv.removeSchema, ajv.validateSchema, ajv.validate

Examples

## Not run: 
my_ajv_instance = Ajv()
my_ajv_instance$errorsText

## End(Not run)

The Ajv.compile method

Description

Create an Ajv validator function from a schema

Usage

ajv.getSchema(this, key)

Arguments

this

An AJV instance, provided implicitly when called via my_instance$getSchema(...)
key

String; the name of the schema to fetch from the Ajv instancd.

Value

an AJV validation function

A wrapper for the Ajv.addFormat method

Description

Add a string format to an Ajv instance.

Usage

ajv.keyword(this, key, object)

Arguments

this

An AJV instance, provided implicitly when called via my_instance$keyword(...)
key

String; the name with keyword to add.
object

the format to be added. Must be enclosed in a call to JS.

Value

invisible(NULL)

See Also

Other AJV.Instance.Methods: ajv.addFormat, ajv.addKeyword, ajv.addSchema, ajv.errorsText, ajv.removeSchema, ajv.validateSchema, ajv.validate

Examples

## Not run: 
my_ajv_instance = Ajv()
my_ajv_instance$keyword(key,object)

## End(Not run)

A wrapper for the Ajv.removeSchema method

Description

The remove a schema from an Ajv instance

Usage

ajv.removeSchema(this, key)

Arguments

this

An AJV instance, provided implicitly when called via my_instance$removeSchema(...)
key

String; the name with schema to remove

Value

invisible(NULL)

See Also

Other AJV.Instance.Methods: ajv.addFormat, ajv.addKeyword, ajv.addSchema, ajv.errorsText, ajv.keyword, ajv.validateSchema, ajv.validate

Examples

## Not run: 
my_ajv_instance = Ajv()
my_ajv_instance$removeSchema

## End(Not run)

A wrapper for the Ajv.validate method

Description

The equivalent of calling var ajv = new Ajv(); ajv.validate(...) in javascript.

Usage

ajv.validate(this, schema, data)

Arguments

this

An AJV instance, provided implicitly when called via my_instance$validate(...)
schema

The Schema with which to validate the data. schema may be a valid JSON string, an R object (i.e. 'list(...)'), a connection to a JSON file, or the name of a JSON or YAML file. YAML files are parsed via [js-yaml](https://www.npmjs.com/package/js-yaml)'s 'safeLoad()' method.
data

The data to be validated. may be any of the above foremats.

See Also

Other AJV.Instance.Methods: ajv.addFormat, ajv.addKeyword, ajv.addSchema, ajv.errorsText, ajv.keyword, ajv.removeSchema, ajv.validateSchema

Examples

## Not run: 
my_ajv_instance = Ajv()
my_ajv_instance$validate

## End(Not run)

A wrapper for the Ajv.validateSchema method

Description

The validate a json schema

Usage

ajv.validateSchema(this, schema)

Arguments

this

An AJV instance, provided implicitly when called via my_instance$ajv(...)
schema

The Schema to be validated. schema may be a valid JSON string, an R object (i.e. 'list(...)'), a connection to a JSON file, or the name of a JSON or YAML file. YAML files are parsed via [js-yaml](https://www.npmjs.com/package/js-yaml)'s 'safeLoad()' method.

Value

boolean

See Also

Other AJV.Instance.Methods: ajv.addFormat, ajv.addKeyword, ajv.addSchema, ajv.errorsText, ajv.keyword, ajv.removeSchema, ajv.validate

Examples

## Not run: 
my_ajv_instance = Ajv()
my_ajv_instance$validateSchema

## End(Not run)